137550520 has 16 divisors (see below), whose sum is σ = 309488760. Its totient is φ = 55020192.

The previous prime is 137550487. The next prime is 137550541. The reversal of 137550520 is 25055731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719342 + ... + 1719421.

Almost surely, 2^137550520 is an apocalyptic number.

137550520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137550520 is an abundant number, since it is smaller than the sum of its proper divisors (171938240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137550520 is a wasteful number, since it uses less digits than its factorization.

137550520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438774 (or 3438770 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 137550520 is about 11728.1933817617. The cubic root of 137550520 is about 516.2032630684.

The spelling of 137550520 in words is "one hundred thirty-seven million, five hundred fifty thousand, five hundred twenty".